Sunday, Feb 24, 2013 - 7:00 AM
"Japanese Supersub"
In spring 1946 the United States destroyed one of Japan's most advanced weapons systems - the I-401 aircraft carrier submarine - rather than share the discovery with the Soviets as required at the end of World War II. The innovative ship could launch attack bombers within seven minutes of reaching the surface. This program investigates Japan's efforts to take submarine technology beyond the known limits. of the 1940s.G